22225533 has 24 divisors (see below), whose sum is σ = 33048288. Its totient is φ = 13176000.

The previous prime is 22225519. The next prime is 22225537. The reversal of 22225533 is 33552222.

It is not a de Polignac number, because 22225533 - 2⁴ = 22225517 is a prime.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122703 + ... + 122883.

It is an arithmetic number, because the mean of its divisors is an integer number (1377012).

Almost surely, 2^22225533 is an apocalyptic number.

It is an amenable number.

22225533 is a deficient number, since it is larger than the sum of its proper divisors (10822755).

22225533 is a wasteful number, since it uses less digits than its factorization.

22225533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 256 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 22225533 is about 4714.3963558445. The cubic root of 22225533 is about 281.1581831646.

Adding to 22225533 its reverse (33552222), we get a palindrome (55777755).

The spelling of 22225533 in words is "twenty-two million, two hundred twenty-five thousand, five hundred thirty-three".